docs: def com_google_fonts_check_code_pages(ttFont):
    """Check code page character ranges"""
  
    if not hasattr(ttFont['OS/2'], "ulCodePageRange1") or \
       not hasattr(ttFont['OS/2'], "ulCodePageRange2") or \
       (ttFont['OS/2'].ulCodePageRange1 == 0 and \
        ttFont['OS/2'].ulCodePageRange2 == 0):
      yield FAIL, ("No code pages defined in the OS/2 table"
                   " ulCodePageRage1 and CodePageRage2 fields.")
    else:
      yield PASS, "At least one code page is defined."